PALM BEACH COUNTY, FL (WFLX) - A medical building was evacuated in Wellington due to reports of a strange odor Friday.
Palm Beach County Fire Rescue crews responded to the scene in the 3000 block of South State Road 7.
Workers complained of a sulfur smell, nausea and headaches.
First responders evaluated 31 people; five were transported to a hospital.
According to on scene Palm Beach County Battalion Chief Bill Rowley, three firefighters were taken by ambulance for evaluation due to minor irritation from being inside the building
Investigators determined a battery backup system leaked.
They said the smell was not hazardous, just an irritant.
The building was ventilated and the all clear signal was given before 5 p.m. Friday.